Table 1. Clinicopathological features of the current cases.

Age at operation (ave, y.o. ± s.d.)	17.3 ± 2.8
(median: range, y.o.)	18: 9–22
Sex
M	22
F	46
Tumor size (mm ± s.d.)	14.7 ± 9.2
Histology
CP	61
FV	2
CMV	4
PD	1
pT
pT1 or 2	37
pT3	31
pN
pN0	15
pN1a or 1b	52
M
M0	65
M1	2
pEx
pEx0	36
pEx1	32

CP: classic papillary, FV: follicular variant, CMV: cribriform-morular variant, PDTC: poorly differentiated.